Apparatus and method for feedback of channel state information in wireless communication system
US10291307B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 31, 2016 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Mar 31, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W84/042
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A feedback transmission method for a receiving device in a multiple input multiple output system according to one embodiment comprises: a step of measuring channel state information; a first quantization step of quantizing the channel state information using a first codebook; a second quantization step of quantizing the channel state information using second and third codebooks which are different from the first codebook; and a step of feeding back the channel state information on the basis of a selection result of one of the first and second quantization steps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.